based Upwork, one of the world’s largest work marketplaces that connects ... Web developers typically have programming skills around HTML, CSS and JavaScript. One of the most popular and common ...

JavaScript also allows developers to include more dynamic functionality, such as pop-ups and photo sliders, in a webpage. Tags called class attributes are used to match HTML elements to their ...

As such, a modern webpage is typically made up of three separate entities: a cascading style sheet, a JavaScript file and the HTML file itself. The cascading nature of CSS files is attributed to the ...